About the Number

127128390

127128389 ← → 127128391

2進数表記:111100100111101001101000110

漢数字表記:一億二千七百十二万八千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 113 1 × 37501 1

素因数の和:37624
約数の個数: 32
約数和(自身を含む): 307816416
約数和(自身を除く): 180688026

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 37501, 75002, 112503, 187505, 225006, 375010, 562515, 1125030, 4237613, 8475226, 12712839, 21188065, 25425678, 42376130, 63564195, 127128390]

約数ペア:
[(1, 127128390), (2, 63564195), (3, 42376130), (5, 25425678), (6, 21188065), (10, 12712839), (15, 8475226), (30, 4237613), (113, 1125030), (226, 562515), (339, 375010), (565, 225006), (678, 187505), (1130, 112503), (1695, 75002), (3390, 37501)]

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